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Volcanoes and Earth’s Moving Plates

Volcanoes and Earth’s Moving Plates. Chapter 12 section 1 Pages 330-335. What is a volcano?. Opening in earth’s crust. Effects of Eruptions. Pyroclastic flow Sulfurous gases Falling ash. How are volcanoes formed?. Plate movement Subduction zones. Where do they occur?.

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Volcanoes and Earth’s Moving Plates

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  1. Volcanoes and Earth’s Moving Plates Chapter 12 section 1 Pages 330-335

  2. What is a volcano? • Opening in earth’s crust

  3. Effects of Eruptions • Pyroclastic flow • Sulfurous gases • Falling ash

  4. How are volcanoes formed? • Plate movement • Subduction zones

  5. Where do they occur? • Plate boundaries • Weak spots in the crust

  6. When magma reaches the surface and flows out an opening what is the opening called?

  7. Where is magma collected before it’s forced to earth’s surface?

  8. True or False….. On the eastern part of Asia there are many hot spots.

  9. What is it called when plates move apart?

  10. How were the Andes Mountains formed?

  11. A steep walled depression around a volcanoes vent is a……..

  12. What’s one way pyroclastic flow can effect the environment?

  13. How are volcanic mountains formed?

  14. Review • Why… • Direct effects • A volcano is… • How they form…

  15. Questions

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